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Finding the Fourth Proportional to 5,503.79, 7,595.10 and 3,145.78

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Solution

The fourth proportional to 5,503.79, 7,595.10 and 3,145.78 is: 4,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.79 : 7,595.10 = 3,145.78 : x
  2. Step 2: Convert to fraction form
    5,503.79/7,595.10 = 3,145.78/x
  3. Step 3: Cross multiply
    5,503.79x = 7,595.10 × 3,145.78
  4. Step 4: Simplify right side
    5,503.79x = 23,892,523.17
  5. Step 5: Solve for x
    x = 23,892,523.17/5,503.79
  6. Step 6: Final answer
    x = 4,341.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.